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Code Issues Releases Wiki Activity

Public IP Discovering

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git-svn-id: http://svn.igniterealtime.org/svn/repos/smack/trunk@7562 b35dd754-fafc-0310-a699-88a17e54d16e
This commit is contained in:
Thiago Camargo 2007-03-15 22:09:21 +00:00 committed by thiago
parent b040294920
commit 3fd4df2a8f
1 changed files with 83 additions and 4 deletions
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87
jingle/extension/source/org/jivesoftware/smackx/jingle/nat/RTPBridge.java
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@ -33,6 +33,10 @@ import org.jivesoftware.smackx.packet.DiscoverItems;
import org.xmlpull.v1.XmlPullParser;
import java.util.Iterator;
import java.util.Enumeration;
import java.net.NetworkInterface;
import java.net.SocketException;
import java.net.InetAddress;
/**
* RTPBridge IQ Packet used to request and retrieve a RTPBridge Candidates that can be used for a Jingle Media Transmission between two parties that are behind NAT.
@ -58,7 +62,8 @@ public class RTPBridge extends IQ {
private BridgeAction bridgeAction = BridgeAction.create;
private enum BridgeAction {
create, change
create, change, publicip
}
/**
@ -89,6 +94,15 @@ public class RTPBridge extends IQ {
this.sid = sid;
}
/**
* Creates a RTPBridge Instance with defined Session ID
*
* @param action
*/
public RTPBridge(BridgeAction action) {
this.bridgeAction = action;
}
/**
* Creates a RTPBridge Instance with defined Session ID
*
@ -288,8 +302,10 @@ public class RTPBridge extends IQ {
if (bridgeAction.equals(BridgeAction.create))
str.append("<candidate/>");
else
else if (bridgeAction.equals(BridgeAction.change))
str.append("<relay ").append(getAttributes()).append(" />");
else
str.append("<publicip ").append(getAttributes()).append(" />");
str.append("</" + ELEMENT_NAME + ">");
return str.toString();
@ -346,8 +362,16 @@ public class RTPBridge extends IQ {
iq.setPortB(Integer.parseInt(parser.getAttributeValue(i)));
}
}
} else if (eventType == XmlPullParser.END_TAG) {
else if (elementName.equals("publicip")) {
//String p = parser.getAttributeName(0);
int x = parser.getAttributeCount();
for (int i = 0; i < parser.getAttributeCount(); i++) {
if (parser.getAttributeName(i).equals("ip"))
iq.setIp(parser.getAttributeValue(i));
}
}
}
else if (eventType == XmlPullParser.END_TAG) {
if (parser.getName().equals(RTPBridge.ELEMENT_NAME)) {
done = true;
}
@ -459,4 +483,59 @@ public class RTPBridge extends IQ {
return response;
}
/**
* Get Public Address from the Server.
*
* @param xmppConnection
* @return public IP String or null if not found
*/
public static String getPublicIP(XMPPConnection xmppConnection) {
if (!xmppConnection.isConnected()) {
return null;
}
RTPBridge rtpPacket = new RTPBridge(RTPBridge.BridgeAction.publicip);
rtpPacket.setTo(RTPBridge.NAME + "." + xmppConnection.getServiceName());
rtpPacket.setType(Type.SET);
// System.out.println("Relayed to: " + candidate.getIp() + ":" + candidate.getPort());
PacketCollector collector = xmppConnection
.createPacketCollector(new PacketIDFilter(rtpPacket.getPacketID()));
xmppConnection.sendPacket(rtpPacket);
RTPBridge response = (RTPBridge) collector
.nextResult(SmackConfiguration.getPacketReplyTimeout());
// Cancel the collector.
collector.cancel();
if (response.getIp() == null || response.getIp().equals("")) return null;
Enumeration ifaces = null;
try {
ifaces = NetworkInterface.getNetworkInterfaces();
}
catch (SocketException e) {
e.printStackTrace();
}
while (ifaces!=null&&ifaces.hasMoreElements()) {
NetworkInterface iface = (NetworkInterface) ifaces.nextElement();
Enumeration iaddresses = iface.getInetAddresses();
while (iaddresses.hasMoreElements()) {
InetAddress iaddress = (InetAddress) iaddresses.nextElement();
if (!iaddress.isLoopbackAddress())
if (iaddress.getHostAddress().indexOf(response.getIp()) >= 0)
return null;
}
}
return response.getIp();
}
}